Re: IBM Thinkpad G41 PCMCIA problems

[Russell King]

On Sun, Feb 20, 2005 at 10:52:12AM +0100, David Härdeman wrote:
> e820 map:
> BIOS-provided physical RAM map:
>  BIOS-e820: 0000000000000000 - 000000000009f000 (usable)
>  BIOS-e820: 000000000009f000 - 00000000000a0000 (reserved)
>  BIOS-e820: 00000000000ce000 - 00000000000d0000 (reserved)
>  BIOS-e820: 00000000000dc000 - 0000000000100000 (reserved)
>  BIOS-e820: 0000000000100000 - 000000000f6f0000 (usable)
>  BIOS-e820: 000000000f6f0000 - 000000000f700000 (reserved)
>  BIOS-e820: 000000000f700000 - 000000003f6f0000 (usable)
>  BIOS-e820: 000000003f6f0000 - 000000003f6f8000 (ACPI data)
>  BIOS-e820: 000000003f6f8000 - 000000003f6fa000 (ACPI NVS)
>  BIOS-e820: 000000003f700000 - 0000000040000000 (reserved)
>  BIOS-e820: 00000000ff800000 - 0000000100000000 (reserved)
> 118MB HIGHMEM available.
> 896MB LOWMEM available.
> 
> Is the hole between 0x36f6fa000 and 0x3f700000?

Looks like it.

> And what would be the proper way of fixing it (assuming that IBM won't 
> issue a fixed BIOS)?

Try passing:

	reserve=0x3f6fa000,0x6000

to the kernel.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 PCMCIA      - http://pcmcia.arm.linux.org.uk/
                 2.6 Serial core
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